<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.1/jquery.min.js"></script>
</head>
<body>
    <h3>首页渲染</h3>

    <script>

        $.ajax({
            method: 'get',
            url: 'http://127.0.0.1:3000/demo',
            success(res) {
                console.log(res);
            }
        })

    </script>
</body>
</html>